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The effect of the angiotensin II (AT1A) receptor stably transfected into human neuroblastoma SH-SY5Y cells on noradrenaline release and changes in intracellular calcium.
Neurosci Lett
October 1995
Institute for Cardiovascular Research, University of Leeds, UK.
A stable cell line expressing the angiotensin II (AII) receptor has been obtained by transfecting the human neuroblastoma SH-SY5Y with the plasmid pCEP4 containing the entire coding region of the rat angiotensin AII receptor AT1A. Angiotensin II (AII; 1-100 nM) evokes the release of [3H]noradrenaline ([3H]NA) in this cell line. Pretreatment with 100 nM 12-O-tetradecanoylphorbol-13-acetate (TPA) enhances the AII-evoked release of [3H]NA approximately two-fold.
View Article and Find Full Text PDFAngiotensin III modulates noradrenaline uptake and release in the rat hypothalamus.
J Auton Pharmacol
February 1995
Catedra de Fisiopatología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina.
1. Effects of angiotensin III (A III) on 3H-noradrenaline (3H-NA) total, neuronal and non-neuronal uptake, 3H intracellular distribution and release were studied in vitro in the rat hypothalamus. 2.
View Article and Find Full Text PDFEffects of angiotensin II on [3H]noradrenaline release and phosphatidylinositol hydrolysis in the parietal cortex and locus coeruleus of the rat.
J Neurochem
November 1987
Department of Pharmacology, University of Cambridge, England.
Angiotensin II (ANGII) (3-100 nM) facilitated the potassium-evoked (22.5 mM) release of [3H]-noradrenaline ([3H]NA) from slices of parietal cortex in a concentration-dependent manner, but did not significantly alter the release of [3H]NA evoked in a similar manner from locus coeruleus slices. The facilitatory action of ANGII was blocked by saralasin (0.
View Article and Find Full Text PDFThe purpose of the present study was to evaluate the effects of two CEI: captopril and perindopril on reperfusion arrhythmias and noradrenaline 3H (NA3H) release in the isolated rat heart on arrhythmias in pentobarbitone anaesthetized rats subject to left coronary artery ligation. In vitro, in control preparations, reperfusion after 10 min of local ischemia produced by coronary ligation was accompanied by a sudden release of NA3H in coronary flow and long lasting ventricular arrhythmias. Reperfusion arrhythmias were prevented by perfusion medium containing a high dose of CEI and CEI did not change the patterns of NA3H release.
View Article and Find Full Text PDFPresynaptic receptor systems on the noradrenergic neurones of the rabbit pulmonary artery.
Naunyn Schmiedebergs Arch Pharmacol
February 1977
A search was performed for presynaptic, release-modulating receptor systems on the post-ganglionic sympathetic nerves of rabbit pulmonary artery. Strips of the artery were preincubated with (-)-3H-noradrenaline and then superfused and stimulated transmurally. 1.
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